Hi Xu,

Try

replicate(5, 1:15)

HTH,
Jorge

On Wed, Feb 10, 2010 at 3:27 PM, Xu Wang > wrote:

>
> Hi,
>
> I would like to be able to repeat a string within a command. I think there
> is an easy way but I can not figure out how.
>
> Here is an example.
>
> x<-1:15
> I would like to turn this into the following matrix:
> xm<-cbind(x,x,x,x,x)
>
> But I would like to do so by having a command that repeats x within the
> cbind command. Does that make sense? I have tried various things mainly
> involving the commands "rep" and "paste" but cannot get it.
>
> cbind(rep('x',times=5))
>
> I am guessing that this is not good programming etiquette? Something seems
> off about it. But still, I would like to know how to do it.
>
> I do understand that I can use a for loop to easily accomplish the desired
> output but am looking for a solution similar to the above syntax.
>
> Thank you for any ideas,
>
> Xu Wang
> --
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>
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